Base | Representation |
---|---|
bin | 111001011000010010… |
… | …0000100110100011110 |
3 | 102210001111200012012112 |
4 | 1302300210010310132 |
5 | 4004324130044410 |
6 | 132335044434022 |
7 | 11621353014434 |
oct | 1626044046436 |
9 | 383044605175 |
10 | 123221331230 |
11 | 48292257a38 |
12 | 1ba6a6a8912 |
13 | b8096b421a |
14 | 5d6d0c4d54 |
15 | 3312bb9105 |
hex | 1cb0904d1e |
123221331230 has 8 divisors (see below), whose sum is σ = 221798396232. Its totient is φ = 49288532488.
The previous prime is 123221331223. The next prime is 123221331323. The reversal of 123221331230 is 32133122321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 123221331196 and 123221331205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6161066552 + ... + 6161066571.
It is an arithmetic number, because the mean of its divisors is an integer number (27724799529).
Almost surely, 2123221331230 is an apocalyptic number.
123221331230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123221331230 is a deficient number, since it is larger than the sum of its proper divisors (98577065002).
123221331230 is a wasteful number, since it uses less digits than its factorization.
123221331230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12322133130.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 123221331230 its reverse (32133122321), we get a palindrome (155354453551).
The spelling of 123221331230 in words is "one hundred twenty-three billion, two hundred twenty-one million, three hundred thirty-one thousand, two hundred thirty".
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